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Questions and Answers
What is the formula for calculating the probability of an event?
What is the formula for calculating the probability of an event?
- P(E) = Number of favorable outcomes * Total number of outcomes
- P(E) = Total number of outcomes - Number of favorable outcomes
- P(E) = Number of favorable outcomes / Total number of outcomes (correct)
- P(E) = Total number of outcomes / Number of favorable outcomes
If two events A and B are independent, what is the probability of both A and B occurring?
If two events A and B are independent, what is the probability of both A and B occurring?
- P(A and B) = P(A) / P(B)
- P(A and B) = P(A) * P(B) (correct)
- P(A and B) = P(A) - P(B)
- P(A and B) = P(A) + P(B)
In a standard deck of 52 playing cards, what is the probability of drawing a heart or a king?
In a standard deck of 52 playing cards, what is the probability of drawing a heart or a king?
- P(heart or king) = 1/13
- P(heart or king) = 1/4
- P(heart or king) = 9/26 (correct)
- P(heart or king) = 17/52
